Trail Running Calendar United Kingdom 2026-2027

A three day, 84 mile (135 km) ultramarathon along the Ridgeway from Buckinghamshire to Wiltshire with two overnight stops in Watlington and Didcot. Organised by XNRG Druids, it offers full packages with accommodation and single day entry op..

Timed laps on a 5.3 km riverside course at Chorlton Water Park, with a seven hour limit and a Lucky Dip of classic Phoenix medals.

A flexible Friday running event on a flat 5.3 km out and back course along the Thames offering distances from 5 km to ultra, timed over a seven hour limit with bespoke finishers medals.

Trail races around the Wharfedale skyline near Otley, Ilkley and Guiseley with 13, 20 and 35 mile routes, checkpoint support and tracker provision for ultramarathon entrants.

A canal-side running event in Kirkstall on 14 November 2026 offering 5K, 10K and half marathon routes, finisher rewards and flexible entry options for a self-paced weekend run.

Trail running near Brockenhurst in the New Forest National Park on wide, hard packed trails through woodland and heath. Three distances from 10k to a 21.6k half marathon, with chip timing, on-course drinks and a metal finisher medal.

Held in Porth Penrhyn, Bangor on 14-15 November 2026, Slate Trail Ultra offers two trail races of 147 km and 80 km along the Snowdonia Slate Trail with substantial elevation gain and organised aid stations.

A 50 mile race of five 10 mile loops wholly within Wendover Woods, featuring 10,000 feet of climb, nine well stocked aid stations and marked trails. The event is supported by race medics, has a 15 hour cut off and requires marathon qualific..

Hourly-start Backyard Ultra on a 4.167 mile loop near Leeds with mixed trail terrain, camping, aid stations and a Yorkshire goodie bag. Competitors exit when they fail to finish a lap, leaving one final champion.

Trail Half Marathon Wales runs in Margam Country Park and Forest on 14 November 2026, offering a fully marked half marathon and 10k on forest trails with checkpoints, safety cover, and included car parking.

Trail ultramarathon on the Weavers' Way with **100 km** from Great Yarmouth and **50 km** from Stalham, passing marshes, rivers, stately homes and finishing at Cromer Pier.

A family friendly timed trail run on 14 November 2026 in Padstow along the Camel Trail in support of the National Lobster Hatchery. Distances range from 2.5 km to 10 miles with Canicross options.

Trail 5 km and 10 km races on the Bath Skyline with night and day options and a 500 m kids run. Mixed terrain routes are well marked and marshalled and finishers receive a two sided medal.

A guided 55 km route on Anglesey visiting three high tops with over 2000 m of ascent, starting and finishing at Lligwy beach. The course is split into five supported sections with guides, checkpoints and a wooden medal on completion.

A winter 2026/27 night trail series across Somerset with four events and both 5km and 10km route options. Runners can enter individual events or the full series and order a bespoke wooden finisher's medal for each race.

Timed multi lap event on the Itchen Way in Winchester on 14 November 2026, with 2.62 mile laps that add up to half marathon, marathon and ultra distances. Flexible start format, aid station with vegan options, bespoke finisher's medal.

A 40 mile trail ultramarathon starting and finishing in Lymm that circumnavigates Warrington on tracks, paths and lanes. The 2026 race is on 14 November with solo, pair and four person relay entry options.

A mountain fell race of 8.8 km with 714 m ascent around Llyn y Fan near Llanddeusant. The mostly unmarked, remote route requires navigation and mountain skills; entries are limited to 50 runners.

A 16.1 km fell race around Penmaenmawr with about 594 m of ascent, based at Capelulo Village Hall. The route is partially marked and requires navigation; entry is online with a £12 fee.

A half marathon through the Kilpatrick Hills near Overtoun House in Dumbarton on 14 November 2026, using single-track trails and forestry roads with rolling climbs. The race is full and a waiting list is open.